8,4 B

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

8,4 B

Today

Quiz

Learning objectives

Introduction

Instruction (blood pressure, tissue fluid, lymphatic system)

Homework assignments

End of class

A quiz to test your knowledge!

1 drag and drop question

4 multiple choice questions

Which blood cells can also be found in the lymphatic system?

1. White blood cells
2. Platelets
3. Red blood cells

The figure at the right is a schematic drawing of a
number of blood vessels: a vein, capillaries,
a lymph vessel and an artery.
Which arrow shows the direction of flow in the
lymphatic vessel correctly?

1. arrow 1
2. arrow 2
3. arrow 3
4. arrow 4

Lymphatic vessels tranport lymph.
If you compare them to blood vessels their build is kind of similar to one of the types of blood vessel.
Which of the listed blood vessels is a lymphatic vessel most similar to?

1. Artery
2. Capillary
3. Vein

8.4 Your blood circulation

You will learn what types of blood vessels you have and how blood flows through your body.

You will learn what blood pressure is and how to measure it.

Blood pressure

= force with which blood pushes against the walls of blood vessels

Healthy blood pressure for young people = around 110/70 millimetre of mercury

Systolic pressure = arises when the ventricles contract

Diastolic pressure = during heartbeat pause

Does each organ get the same amount of blood every time?

Heartrate at rest: 70 bpm

Heartrate during excercise: over 200 bpm

70 ml everytime

Left: image of heartrate of a runner

What?	Read: 8.4 Make assignments 14-20
How?	In your book. You may whisper if you want to discuss an assignment with your neighbour.
Help?	Try to answer the question together. Raise your hand if you can't figure it out together.
Time?	15 minutes
Finished?	Check your answers with the solutions in Teams.
Proceeds	You have finished your homework! Well done!

End of class!

Don't pack your bags yet!

 

Stay seated until the bell rings.

Don't forget to push your chair under the table when it does!

This lesson

Make all the assignments you have skipped so far.

Check and correct your work.

Ask questions.

Study for the big test. 

After christmas break, we will start with CH9!

Ask your questions about CH8 today!

Big test

8.1

8.2

8.3

8.4

8.6

Did you make AND correct your homework?

8.1 Make: 3, 4, 8-11, 13, 14, 16

8.2 Make: 3-6, 9-11, 15-17

8.3 Make: 3-13

8.4 Make: 3-20

8.6 Make: 4-14 

What do you find difficult? Ask questions!